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/* This file is tc-m68k.h
Copyright (C) 1987-2016 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
#define TC_M68K 1
struct fix;
#define TARGET_BYTES_BIG_ENDIAN 1
#ifdef OBJ_AOUT
#ifdef TE_SUN3
#define TARGET_FORMAT "a.out-sunos-big"
#endif
#ifdef TE_NetBSD
#define TARGET_FORMAT "a.out-m68k-netbsd"
#endif
#ifdef TE_LINUX
#define TARGET_FORMAT "a.out-m68k-linux"
#endif
#ifndef TARGET_FORMAT
#define TARGET_FORMAT "a.out-zero-big"
#endif
#endif
#ifdef OBJ_ELF
#define TARGET_FORMAT "elf32-m68k"
#endif
#ifdef TE_APOLLO
#define COFF_MAGIC APOLLOM68KMAGIC
#define COFF_AOUTHDR_MAGIC APOLLO_COFF_VERSION_NUMBER
#undef OBJ_COFF_OMIT_OPTIONAL_HEADER
#endif
#ifdef TE_AUX
#define TARGET_FORMAT "coff-m68k-aux"
#endif
#ifdef TE_DELTA
#define TARGET_FORMAT "coff-m68k-sysv"
#endif
#ifndef COFF_MAGIC
#define COFF_MAGIC MC68MAGIC
#endif
#define TARGET_ARCH bfd_arch_m68k
#define tc_comment_chars m68k_comment_chars
extern const char *m68k_comment_chars;
#define LISTING_WORD_SIZE 2 /* A word is 2 bytes */
#define LISTING_LHS_WIDTH 2 /* One word on the first line */
#define LISTING_LHS_WIDTH_SECOND 2 /* One word on the second line */
#define LISTING_LHS_CONT_LINES 4/* And 4 lines max */
#define LISTING_HEADER "68K GAS "
#ifndef REGISTER_PREFIX
#define REGISTER_PREFIX '%'
#endif
#if !defined (REGISTER_PREFIX_OPTIONAL)
#if defined (M68KCOFF) || defined (OBJ_ELF)
#define REGISTER_PREFIX_OPTIONAL 0
#else /* ! (COFF || ELF) */
#define REGISTER_PREFIX_OPTIONAL 1
#endif /* ! (COFF || ELF) */
#endif /* not def REGISTER_PREFIX and not def OPTIONAL_REGISTER_PREFIX */
#ifdef TE_DELTA
/* On the Delta, `%' can occur within a label name, but not as the
initial character. */
#define LEX_PCT LEX_NAME
/* On the Delta, `~' can start a label name, but is converted to '.'. */
#define LEX_TILDE LEX_BEGIN_NAME
#define tc_canonicalize_symbol_name(s) ((*(s) == '~' ? *(s) = '.' : '.'), s)
/* On the Delta, dots are not required before pseudo-ops. */
#define NO_PSEUDO_DOT 1
#endif
extern void m68k_mri_mode_change (int);
#define MRI_MODE_CHANGE(i) m68k_mri_mode_change (i)
extern int m68k_conditional_pseudoop (pseudo_typeS *);
#define tc_conditional_pseudoop(pop) m68k_conditional_pseudoop (pop)
extern void m68k_frob_label (symbolS *);
#define tc_frob_label(sym) m68k_frob_label (sym)
extern void m68k_flush_pending_output (void);
#define md_flush_pending_output() m68k_flush_pending_output ()
extern void m68k_frob_symbol (symbolS *);
#define tc_frob_symbol(sym,punt) \
do \
{ \
if (S_GET_SEGMENT (sym) == reg_section) \
punt = 1; \
m68k_frob_symbol (sym); \
} \
while (0)
#define NO_RELOC BFD_RELOC_NONE
#define RELAX_RELOC_ABS8 BFD_RELOC_8
#define RELAX_RELOC_ABS16 BFD_RELOC_16
#define RELAX_RELOC_ABS32 BFD_RELOC_32
#define RELAX_RELOC_PC8 BFD_RELOC_8_PCREL
#define RELAX_RELOC_PC16 BFD_RELOC_16_PCREL
#define RELAX_RELOC_PC32 BFD_RELOC_32_PCREL
#ifdef OBJ_ELF
#define tc_fix_adjustable(X) tc_m68k_fix_adjustable(X)
extern int tc_m68k_fix_adjustable (struct fix *);
/* Target *-*-elf implies an embedded target. No shared libs.
*-*-uclinux also requires special casing to prevent GAS from
generating unsupported R_68K_PC16 relocs. */
#define EXTERN_FORCE_RELOC \
((strcmp (TARGET_OS, "elf") != 0) && (strcmp (TARGET_OS, "uclinux") != 0))
/* Values passed to md_apply_fix don't include symbol values. */
#define MD_APPLY_SYM_VALUE(FIX) 0
#define elf_tc_final_processing m68k_elf_final_processing
extern void m68k_elf_final_processing (void);
#endif
#define DIFF_EXPR_OK
extern int m68k_parse_long_option (char *);
#define md_parse_long_option m68k_parse_long_option
#define md_operand(x)
#define TARGET_ARCH bfd_arch_m68k
extern struct relax_type md_relax_table[];
#define TC_GENERIC_RELAX_TABLE md_relax_table
/* We can't do a byte jump to the next instruction, so in that case
force word mode by faking AIM. */
#define md_prepare_relax_scan(fragP, address, aim, this_state, this_type) \
do \
{ \
if (aim == 0 && this_type->rlx_forward == 127) \
aim = 128; \
} \
while (0)
#define DWARF2_LINE_MIN_INSN_LENGTH 2
/* We want .cfi_* pseudo-ops for generating unwind info. */
#define TARGET_USE_CFIPOP 1
#define DWARF2_DEFAULT_RETURN_COLUMN 24
#define DWARF2_CIE_DATA_ALIGNMENT (-4)
#define tc_regname_to_dw2regnum tc_m68k_regname_to_dw2regnum
extern int tc_m68k_regname_to_dw2regnum (const char *regname);
#define tc_cfi_frame_initial_instructions tc_m68k_frame_initial_instructions
extern void tc_m68k_frame_initial_instructions (void);
#ifdef TE_UCLINUX
/* elf2flt does not honor PT_LOAD's from the executable.
.text and .eh_frame sections will not end up in the same segment and so
we cannot use PC-relative encoding for CFI. */
# define CFI_DIFF_EXPR_OK 0
/* However, follow compiler's guidance when it specifies encoding for LSDA. */
# define CFI_DIFF_LSDA_OK 1
#endif
struct broken_word;
#define TC_CHECK_ADJUSTED_BROKEN_DOT_WORD(new_offset, brokw) \
tc_m68k_check_adjusted_broken_word ((offsetT) (new_offset), (brokw))
extern void tc_m68k_check_adjusted_broken_word (offsetT,
struct broken_word *);
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